CN109404649A - A kind of corrosion-resistant shock resistance engineering plastics three-way elbow - Google Patents

A kind of corrosion-resistant shock resistance engineering plastics three-way elbow Download PDF

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Publication number
CN109404649A
CN109404649A CN201811271948.5A CN201811271948A CN109404649A CN 109404649 A CN109404649 A CN 109404649A CN 201811271948 A CN201811271948 A CN 201811271948A CN 109404649 A CN109404649 A CN 109404649A
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China
Prior art keywords
connector
polyimide
fixedly installed
corrosion
shock resistance
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CN201811271948.5A
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Chinese (zh)
Inventor
杨兵
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Jiangsu Yichao Engineering Plastics Co Ltd
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Jiangsu Yichao Engineering Plastics Co Ltd
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Priority to CN201811271948.5A priority Critical patent/CN109404649A/en
Publication of CN109404649A publication Critical patent/CN109404649A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C08K3/042—Graphene or derivatives, e.g. graphene oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/08—Materials not undergoing a change of physical state when used
    • C09K5/14—Solid materials, e.g. powdery or granular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/16—Flanged joints characterised by the sealing means
    • F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
    • F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/021—T- or cross-pieces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/026—Branch units, e.g. made in one piece, welded, riveted with a layer protecting against erosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/202—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/001—Conductive additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a kind of corrosion-resistant shock resistance engineering plastics three-way elbows, including the first connector and threeway main body, the side of threeway main body is fixedly installed with the second connector, the top and bottom of threeway main body is all fixedly installed with the first connector, the top and bottom of first connector all passes through retaining collar and is fixedly installed with connection pipe body, the bottom of connection pipe body is fixedly installed with the second mounting head, the first mounting head is fixedly installed at the top of first connector, and the first mounting head and the second mounting head are fitted to the inside of retaining collar；The present invention keeps three-way elbow main structure body simpler quick when connecting the tube body of other specifications by the first connector being arranged, rubber antiskid pad, the first rubber washer and the second rubber washer of setting make to combine between each structure of apparatus main body even closer, and the first filter screen and the second filter screen of setting keep unimpeded the inside of three-way elbow main structure body.

Description

A kind of corrosion-resistant shock resistance engineering plastics three-way elbow
Technical field
The present invention relates to three-way elbow technical field, specially a kind of corrosion-resistant shock resistance engineering plastics three-way elbow.
Background technique
Tee pipe fitting is one kind of conduit coupling, wants at branched pipe used in main pipeline, there is isometrical and reducing, threeway Hydraulic expanding-forming be by a kind of forming technology of the nose balance expansion branch pipe of metal material, process is using dedicated hydraulic Machine will inject liquid in the pipe equal with threeway diameter, is moved and is squeezed by two horizontal side cylinder synchronous centerings of hydraulic press Pipe, volume becomes smaller after pipe is squeezed, and the liquid in pipe becomes smaller and pressure rise with pipe volume, when reaching tee branch Required for expansion when pressure, metal material in side cylinder and pipe under the double action of fluid pressure along mold inner-cavity flow and The hydraulic bulging process of expansion branch pipe, threeway can be once-forming, and production efficiency is higher；The supervisor of threeway and shoulder wall thickness have increasing Add, equipment tonnage needed for the hydraulic bulging process because of seam-less T-joint is larger, and the current country is mainly used for the standard less than DN400 The manufacture of wall thickness threeway, applicable moulding material are that relatively low mild steel, low-alloy steel, stainless is inclined in flow harden Steel, including some nonferrous materials, such as copper, aluminium, titanium.
The generally existing connection of three-way elbow currently on the market is inconvenient, is easy blocking, while the situation that service life is short, because This, how to design it is a kind of facilitate connection, be not easy to plug, and three-way elbow structure with long service life, becoming us will currently solve Certainly the problem of.
Summary of the invention
The purpose of the present invention is to provide a kind of corrosion-resistant shock resistance engineering plastics three-way elbows, to solve above-mentioned background skill The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme: a kind of corrosion-resistant shock resistance engineering plastics threeway is curved Head, including the first connector and threeway main body, the side of threeway main body are fixedly installed with the second connector, the second connector it is interior Portion is fixedly installed with the first filter screen, and the top and bottom of threeway main body all passes through matching used first flange disk and the second method Blue disk is fixedly installed with the first connector, and the top and bottom of the first connector all passes through retaining collar and is fixedly installed with connecting tube Body, the bottom of connection pipe body are fixedly installed with the second mounting head, and the first mounting head is fixedly installed at the top of the first connector, and First mounting head and the second mounting head are fitted to the inside of retaining collar.
The surface of first flange disk is pasted with polyimide modified composite paster, and polyimide modified composite paster includes:
Polyimide plastic layer；
Graphene modified polyimide layer on polyimide plastic layer；, and
Polyimide film on graphene modified polyimide layer；
Wherein, the preparation method of graphene modified polyimide layer, which is characterized in that specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 1-3h at being 130-135 DEG C in temperature；It later will be above-mentioned Mix monomer is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 230-260 DEG C of stirring post-polymerization 4-6h, obtains oligomer；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 230-260 DEG C 1-3h obtains the modified polyamides of graphene Imines；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 230-260 DEG C by discharge hole for discharge after cooling and dicing, After drying, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains the modified polyamides Asia of graphene Amine layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage Meter: polyimides ontology: 44%-58%, polyphenylene oxide: 20%-33%, polyethylene: 22%-23%.
Preferably, the inside of the first connector is fixedly installed with the second filter screen, and the inside of the first connector and second The edge of filter screen is respectively equipped with the limiting groove and limited block being used in conjunction with each other.
Preferably, between first flange disk and second flange disk, between the first mounting head and the second mounting head, fastening nut It is fixedly installed with rubber antiskid pad, the second rubber washer and the first rubber washer respectively between fastening bolt and retaining collar.
Preferably, the inside of retaining collar is equipped with installation groove, and passes through matching used fastening spiral shell between retaining collar Cap and fastening bolt are fixedly mounted.
Preferably, the material of threeway main body is polyvinyl chloride, and the inside of threeway main body is uniformly coated with epoxy resin.
Preferably, the inside of the second connector is equipped with the internal screw thread being used cooperatively with external pipe.
Preferably, the mass ratio of the graphene oxide in step (1) and polyimide monomers be 1:50, organic dicarboxylic acid with The mass ratio of polyimide monomers is 1:20, and the mass ratio of ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2).
Preferably, catalyst is selected from one or more of antimony class catalyst, germanium series catalysts, Titanium series catalyst.
Compared with prior art, the beneficial effects of the present invention are: the corrosion-resistant shock resistance engineering plastics three-way elbow passes through The first connector being arranged keeps three-way elbow main structure body simpler quick when connecting the tube body of other specifications, avoids even The time delayed in termination process, while the scope of application of three-way elbow main structure body is improved, keep the practicability of structure stronger, if Rubber antiskid pad, the first rubber washer and the second rubber washer set make what is combined between each structure of apparatus main body more to step up It is close, the leakproofness of device entirety is improved, apparatus main body is avoided in handshaking procedures there is a situation where leak gas leakage, reduces The gentle influence to surrounding enviroment of the water of leakage, the retaining collar of setting facilitate peace of first connector during external pipe Dress, reduces the time that installation exercise delays, improves the operating efficiency of device entirety, the first filter screen and the second mistake of setting The case where strainer keeps unimpeded the inside of three-way elbow main structure body, avoids blocking inside pipeline, while the first filter screen Keep operating personnel simpler quick when cleaning to three-way elbow inside configuration with the second filter screen.
Polyimide modified composite paster provided by the present invention, because graphene oxide has certain conductive and heat-conductive energy Power, alcohol quasi polymer have the characteristics that good hygroscopicity, and the introducing of graphene oxide and alcohol quasi-oligomer imparts polyimides material Expect that good electrical and thermal conductivity performance, antistatic property significantly improve, meanwhile, impact strength, tensile strength greatly improve raising, Test method: unnotched impact strength test: Xa-500,50J, GB1043 type；Tensile strength test: Lloyd-LR-50K, GB1040 type, bending strength test: Lloyd-LR-50K, GB9341 type, medium-resistance test: GBn547 type.
Detailed description of the invention
Fig. 1 is whole interior structural schematic diagram of the invention；
Fig. 2 is the first connector overlooking structure figure of the invention；
Fig. 3 is retaining collar structural schematic diagram of the invention.
In figure: 1, connection pipe body；2, the first connector；201, limiting groove；3, first flange disk；4, the second connector； 5, the first filter screen；6, rubber antiskid pad；7, the first mounting head；8, retaining collar；9, the second filter screen；901, limited block；10, Threeway main body；11, second flange disk；12, the second mounting head；13, fastening nut；14, installation groove；15, the first rubber washer； 16, fastening bolt；17, the second rubber washer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ", The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.
Fig. 1-3 is please referred to, a kind of embodiment provided by the invention: a kind of corrosion-resistant shock resistance engineering plastics three-way elbow, Including the first connector 2 and threeway main body 10, the side of threeway main body 10 is fixedly installed with the second connector 4, the second connector 4 Inside be fixedly installed with the first filter screen 5, the first filter screen 5 is movably arranged on the bottom inside the second connector 4, threeway master The top and bottom of body 10 is all fixedly installed with the first connector by matching used first flange disk 3 and second flange disk 11 2, it is used in conjunction with each other between first flange disk 3 and second flange disk 11, and lead between first flange disk 3 and second flange disk 11 It crosses matching used fixing bolt and hold-doun nut is fixedly mounted, the top and bottom of the first connector 2 all passes through retaining collar 8 It is fixedly installed with connection pipe body 1, the bottom of connection pipe body 1 is fixedly installed with the second mounting head 12, and the top of the first connector 2 is solid Dingan County is equipped with the first mounting head 7, and the first mounting head 7 and the second mounting head 12 are fitted to the inside of retaining collar 8.
Further, the inside of the first connector 2 is fixedly installed with the second filter screen 9, and the inside of the first connector 2 and The edge of two filter screens 9 is respectively equipped with the limiting groove 201 and limited block 901 being used in conjunction with each other.In embodiment, the second mistake Strainer 9 is slidably mounted on the inside of the first connector 2, limiting groove 201 and limit by limiting groove 201 and limited block 901 Block 901 plays the fixed effect of limit to the second filter screen 9, at the same make the second filter screen 9 to take process simpler quick.
Further, between first flange disk 3 and second flange disk 11, between the first mounting head 7 and the second mounting head 12, tightly Gu be fixedly installed with respectively between nut 13 and fastening bolt 16 and retaining collar 8 rubber antiskid pad 6, the second rubber washer 17 and First rubber washer 15.In embodiment, rubber antiskid pad 6, the second rubber washer 17 and the first rubber washer 15 make apparatus main body Each structure between combine even closer, improve the leakproofness of device entirety, avoid apparatus main body in handshaking procedures Middle there is a situation where leak gas leakage, reduce the gentle influence to surrounding enviroment of water of leakage.
Further, the inside of retaining collar 8 is equipped with installation groove 14, and by matching used tight between retaining collar 8 Gu nut 13 and fastening bolt 16 are fixedly mounted.In embodiment, the first mounting head 7 and the second mounting head 12 are fitted to installation The inside of groove 14 makes retaining collar 8 more preferably, make to send out between it to the fixed effect of connection pipe body 1 and the first connector 2 Raw opposite sliding.
Further, the material of threeway main body 10 is polyvinyl chloride, and the inside of threeway main body 10 is uniformly coated with asphalt mixtures modified by epoxy resin Rouge.In embodiment, polyvinyl chloride material improves the service life of threeway main body 10, reduces threeway main body 10 and breakage occurs Risk, the epoxy resin coated on the inside of threeway main body 10 effectively reduce frictional force of the fluid inside pipeline, avoid fluid The case where Pipeline damage is caused to the impact of pipeline.
Further, the inside of the second connector 4 is equipped with the internal screw thread being used cooperatively with external pipe.In embodiment, interior spiral shell The setting of line improves the joint efficiency of threeway main body 10, keeps the installation process of installation personnel simpler quick, guarantees simultaneously The leakproofness of 10 junction of threeway main body.
The surface of first flange disk is pasted with polyimide modified composite paster, and polyimide modified composite paster includes:
Polyimide plastic layer；
Graphene modified polyimide layer on polyimide plastic layer；, and
Polyimide film on graphene modified polyimide layer；
Scheme 1: where the preparation method of graphene modified polyimide layer, which is characterized in that specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 2h at being 134 DEG C in temperature；Later by above-mentioned mixing list Body is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 243 DEG C and stir Post-polymerization 5h is mixed, oligomer is obtained；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 243 DEG C 2h obtains graphene modified polyimide；
The mass ratio of graphene oxide and polyimide monomers is 1:50, and the mass ratio of organic dicarboxylic acid and polyimide monomers is The mass ratio of 1:20, ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2)；Catalyst is selected from antimony class catalyst；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 243 DEG C by discharge hole for discharge after cooling and dicing, it is dry Afterwards, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains graphene modified polyimide Layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage Meter: polyimides ontology: 44%, polyphenylene oxide: 33%, polyethylene: 23%.
The performance test of the present embodiment is as follows: unnotched impact strength test: 168(kj/m2) tensile strength test: 658 (MPa) bending strength is tested: 1109(MPa) kerosene handles tensile strength: 632(MPa).
Scheme 2: where the preparation method of graphene modified polyimide layer, specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 2h at being 131 DEG C in temperature；Later by above-mentioned mixing list Body is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 252 DEG C and stir Post-polymerization 5h is mixed, oligomer is obtained；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 252 DEG C 2h obtains graphene modified polyimide；
The mass ratio of graphene oxide and polyimide monomers is 1:50, and the mass ratio of organic dicarboxylic acid and polyimide monomers is The mass ratio of 1:20, ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2)；Catalyst is selected from germanium series catalysts；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 252 DEG C by discharge hole for discharge after cooling and dicing, it is dry Afterwards, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains graphene modified polyimide Layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage Meter: polyimides ontology: 51%, polyphenylene oxide: 27%, polyethylene: 23%.
The performance test of the present embodiment is as follows: unnotched impact strength test: 169(kj/m2) tensile strength test: 656 (MPa) bending strength is tested: 1095(MPa) kerosene handles tensile strength: 631(MPa).
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (8)

1. a kind of corrosion-resistant shock resistance engineering plastics three-way elbow, including the first connector (2) and threeway main body (10), feature Be: the side of the threeway main body (10) is fixedly installed with the second connector (4), and the inside of second connector (4) is solid Dingan County is equipped with the first filter screen (5), and the top and bottom of the threeway main body (10) all passes through matching used first flange disk (3) it is fixedly installed with the first connector (2) with second flange disk (11), the top and bottom of first connector (2) is all logical It crosses retaining collar (8) to be fixedly installed with connection pipe body (1), the bottom of the connection pipe body (1) is fixedly installed with the second mounting head (12), it is fixedly installed with the first mounting head (7) at the top of first connector (2), and the first mounting head (7) and the second installation Head (12) is fitted to the inside of retaining collar (8)；
The surface of the first flange disk (3) is pasted with polyimide modified composite paster, polyimide modified composite paster packet It includes:
Polyimide plastic layer；
Graphene modified polyimide layer on the polyimide plastic layer；, and
Polyimide film on graphene modified polyimide layer；
Wherein, the preparation method of the graphene modified polyimide layer, which is characterized in that specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 1-3h at being 130-135 DEG C in temperature；It later will be above-mentioned Mix monomer is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 230-260 DEG C of stirring post-polymerization 4-6h, obtains oligomer；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 230-260 DEG C 1-3h obtains the modified polyamides of graphene Imines；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 230-260 DEG C by discharge hole for discharge after cooling and dicing, After drying, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains the modified polyamides Asia of graphene Amine layer；
The polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein presses quality percentage Than meter: polyimides ontology: 44%-58%, polyphenylene oxide: 20%-33%, polyethylene: 22%-23%.
2. a kind of corrosion-resistant shock resistance engineering plastics three-way elbow according to claim 1, it is characterised in that: described first The inside of connector (2) is fixedly installed with the second filter screen (9), and the inside of the first connector (2) and the second filter screen (9) Edge is respectively equipped with the limiting groove (201) and limited block (901) being used in conjunction with each other.
3. a kind of corrosion-resistant shock resistance engineering plastics three-way elbow according to claim 1, it is characterised in that: described first Between ring flange (3) and second flange disk (11), between the first mounting head (7) and the second mounting head (12), fastening nut (13) Be fixedly installed with respectively between fastening bolt (16) and retaining collar (8) rubber antiskid pad (6), the second rubber washer (17) and First rubber washer (15).
4. a kind of corrosion-resistant shock resistance engineering plastics three-way elbow according to claim 1, it is characterised in that: the fixation The inside of lantern ring (8) is equipped with installation groove (14), and by matching used fastening nut (13) and tight between retaining collar (8) Fixing bolt (16) is fixedly mounted.
5. a kind of corrosion-resistant shock resistance engineering plastics three-way elbow according to claim 1, it is characterised in that: the threeway The material of main body (10) is polyvinyl chloride, and the inside of threeway main body (10) is uniformly coated with epoxy resin.
6. a kind of corrosion-resistant shock resistance engineering plastics three-way elbow according to claim 1, it is characterised in that: described second The inside of connector (4) is equipped with the internal screw thread being used cooperatively with external pipe.
7. corrosion-resistant shock resistance engineering plastics three-way elbow according to claim 1, which is characterized in that in step (1) The mass ratio of graphene oxide and polyimide monomers is 1:50, and the mass ratio of organic dicarboxylic acid and polyimide monomers is 1: 20, the mass ratio of ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst described in step (2) and oligomer is 1:8.
8. corrosion-resistant shock resistance engineering plastics three-way elbow according to claim 1, which is characterized in that the catalyst choosing From one or more of antimony class catalyst, germanium series catalysts, Titanium series catalyst.
CN201811271948.5A 2018-10-29 2018-10-29 A kind of corrosion-resistant shock resistance engineering plastics three-way elbow Pending CN109404649A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205877483U (en) * 2016-06-28 2017-01-11 温州钜源流体设备有限公司 Built -in water pipe head
CN106468384A (en) * 2015-08-20 2017-03-01 鹤岗市城鑫科技开发有限公司 One kind is used for the quick coupling of high-temperature high-pressure corrosion resisting chuck with groove formula
CN107385545A (en) * 2017-06-26 2017-11-24 杭州师范大学 Preparation method and the application of copolyesteramide and its fiber that a kind of graphene oxide is modified
CN107477279A (en) * 2017-08-31 2017-12-15 安徽大地环保科技有限公司 A kind of filter pipe
CN207316320U (en) * 2017-10-11 2018-05-04 天津市石化管件有限公司 A kind of elbow tee pipe fitting of easy access
CN207989978U (en) * 2018-03-29 2018-10-19 本兴阀门制造有限公司 A kind of repairing reducing opening threeway

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106468384A (en) * 2015-08-20 2017-03-01 鹤岗市城鑫科技开发有限公司 One kind is used for the quick coupling of high-temperature high-pressure corrosion resisting chuck with groove formula
CN205877483U (en) * 2016-06-28 2017-01-11 温州钜源流体设备有限公司 Built -in water pipe head
CN107385545A (en) * 2017-06-26 2017-11-24 杭州师范大学 Preparation method and the application of copolyesteramide and its fiber that a kind of graphene oxide is modified
CN107477279A (en) * 2017-08-31 2017-12-15 安徽大地环保科技有限公司 A kind of filter pipe
CN207316320U (en) * 2017-10-11 2018-05-04 天津市石化管件有限公司 A kind of elbow tee pipe fitting of easy access
CN207989978U (en) * 2018-03-29 2018-10-19 本兴阀门制造有限公司 A kind of repairing reducing opening threeway

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Application publication date: 20190301